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#!/usr/bin/sh
#
# Supported formats:
# fcoe=<networkdevice>:<dcb|nodcb>:<fabric|vn2vn>
# fcoe=<macaddress>:<dcb|nodcb>:<fabric|vn2vn>
#
# Note currently only nodcb is supported, the dcb option is reserved for
# future use.
#
# Note letters in the macaddress must be lowercase!
#
# Examples:
# fcoe=eth0:nodcb:vn2vn
# fcoe=4a:3f:4c:04:f8:d7:nodcb:fabric
if [ -z "$fcoe" ] && ! getarg fcoe=; then
# If it's not set we don't continue
return 0
fi
if ! getargbool 1 rd.fcoe -d -n rd.nofcoe; then
info "rd.fcoe=0: skipping fcoe"
return 0
fi
if ! [ -e /sys/bus/fcoe/ctlr_create ] && ! modprobe -b -a fcoe && ! modprobe -b -a libfcoe; then
die "FCoE requested but kernel/initrd does not support FCoE"
fi
initqueue --onetime modprobe -b -q bnx2fc
parse_fcoe_opts() {
local fcoe_interface
local fcoe_dcb
local fcoe_mode
local fcoe_mac
local OLDIFS="$IFS"
local IFS=:
# shellcheck disable=SC2086
# shellcheck disable=SC2048
set -- $*
IFS="$OLDIFS"
case $# in
2)
fcoe_interface=$1
fcoe_dcb=$2
fcoe_mode="fabric"
unset fcoe_mac
;;
3)
fcoe_interface=$1
fcoe_dcb=$2
fcoe_mode=$3
unset fcoe_mac
;;
7)
fcoe_mac=$(echo "$1:$2:$3:$4:$5:$6" | tr "[:upper:]" "[:lower:]")
fcoe_dcb=$7
fcoe_mode="fabric"
unset fcoe_interface
;;
8)
fcoe_mac=$(echo "$1:$2:$3:$4:$5:$6" | tr "[:upper:]" "[:lower:]")
fcoe_dcb=$7
fcoe_mode=$8
unset fcoe_interface
;;
*)
warn "Invalid arguments for fcoe=$fcoe"
return 1
;;
esac
if [ "$fcoe_dcb" != "nodcb" -a "$fcoe_dcb" != "dcb" ]; then
warn "Invalid FCoE DCB option: $fcoe_dcb"
fi
if [ "$fcoe_interface" = "edd" ]; then
/sbin/initqueue --settled --unique /sbin/fcoe-edd "$fcoe_dcb"
return 0
fi
if [ -z "$fcoe_interface" -a -z "$fcoe_mac" ]; then
warn "fcoe: Neither interface nor MAC specified for fcoe=$fcoe"
return 1
fi
{
if [ -n "$fcoe_mac" ]; then
# shellcheck disable=SC2016
printf 'ACTION=="add", SUBSYSTEM=="net", ATTR{address}=="%s", RUN+="/sbin/initqueue --onetime --unique --name fcoe-up-$name /sbin/fcoe-up $name %s %s"\n' "$fcoe_mac" "$fcoe_dcb" "$fcoe_mode"
# shellcheck disable=SC2016
printf 'ACTION=="add", SUBSYSTEM=="net", ATTR{address}=="%s", RUN+="/sbin/initqueue --onetime --timeout --unique --name fcoe-timeout-$name /sbin/fcoe-up $name %s %s"\n' "$fcoe_mac" "$fcoe_dcb" "$fcoe_mode"
else
# shellcheck disable=SC2016
printf 'ACTION=="add", SUBSYSTEM=="net", NAME=="%s", RUN+="/sbin/initqueue --onetime --unique --name fcoe-up-$name /sbin/fcoe-up $name %s %s"\n' "$fcoe_interface" "$fcoe_dcb" "$fcoe_mode"
# shellcheck disable=SC2016
printf 'ACTION=="add", SUBSYSTEM=="net", NAME=="%s", RUN+="/sbin/initqueue --onetime --timeout --unique --name fcoe-timeout-$name /sbin/fcoe-up $name %s %s"\n' "$fcoe_interface" "$fcoe_dcb" "$fcoe_mode"
fi
} >> /etc/udev/rules.d/92-fcoe.rules
}
for fcoe in $fcoe $(getargs fcoe=); do
parse_fcoe_opts "$fcoe"
done